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03-05-2017
Mathematics

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From an airplane at an altitude of 1200, the angle of depression to a building on the ground measure 28 degrees find the distance from the plane to the building?

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03-05-2017

sinα=h/d

d=h/sinα we are told h=1200ft and α=28°

d=1200/sin28° ft

d≈2556 ft (to nearest foot, I assumed feet as you didn't give units...)

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